"storage manager for a NULL account");
         }
         mStorageManager = storageManager;
-        return super.execute(mStorageManager.getAccount(), context, getUserAgent());
+        return super.execute(mStorageManager.getAccount(), context);
     }
     
        
             throw new IllegalArgumentException("Trying to execute a sync operation with a " +
                     "NULL storage manager");
         mStorageManager = storageManager;
-               return super.execute(client, MainApp.getUserAgent());
+               return super.execute(client);
        }
 
        
                     "with a NULL storage manager");
         }
         mStorageManager = storageManager;
-        return super.execute(client, MainApp.getUserAgent(), listener, listenerHandler);
+        return super.execute(client, listener, listenerHandler);
        }